Back to Repositories

Testing Multimodal Tuple Examples in ChatInterface Implementation for gradio-app

This test suite validates the multimodal tuple examples functionality in Gradio’s ChatInterface component. It focuses on testing streaming text generation and example handling with multimodal inputs.

Test Coverage Overview

The test suite covers the core functionality of Gradio’s ChatInterface with multimodal tuple examples. It verifies:

Streaming text generation character by character
Handling of multimodal message dictionaries
Integration of predefined chat examples
Cache example behavior validation

Implementation Analysis

The testing approach implements a character-by-character text generation function that works with Gradio’s streaming interface. It utilizes dictionary-based message handling for multimodal support and demonstrates the ChatInterface configuration with tuple-type examples.

The implementation showcases Gradio’s yield-based streaming pattern and example formatting for multimodal inputs.

Technical Details

Key technical components include:

Gradio ChatInterface integration
Generator function implementation
Dictionary-based message formatting
Example cache configuration
Multimodal flag enablement
Tuple-type message handling

Best Practices Demonstrated

The test demonstrates several best practices in Gradio interface testing:

Clean separation of generation logic from interface setup
Proper typing for function parameters
Efficient streaming implementation
Clear example structure definition
Appropriate configuration of cache and multimodal settings

gradio-app/gradio

demo/test_chatinterface_examples/multimodal_tuples_examples_testcase.py

            
import gradio as gr

def generate(
    message: dict,
    chat_history: list[dict],
):

    output = ""
    for character in message['text']:
        output += character
        yield output


demo = gr.ChatInterface(
    fn=generate,
    examples=[
        [{"text": "Hey"}],
        [{"text": "Can you explain briefly to me what is the Python programming language?"}],
    ],
    cache_examples=False,
    type="tuples",
    multimodal=True,
)


if __name__ == "__main__":
    demo.launch()